4. Stock material or miscellaneous articles
  5. Coated or structually defined flake, particle, cell, strand,...
  6. Rod, strand, filament or fiber

Tadayoshi Utsumi

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Partially polyenized polyvinyl alcohol fibers with ion-exchange

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
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Polyvinyl alcohol fiber containing tourmaline particles

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
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Process for preparing superfine ion-exchange fibers

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent

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Profile ID: LFUS-PAI-P-1057189

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